mesostylen.

Brit.

/ˈmɛsə(ʊ)ˌstʌɪl/, U.S.

/ˈmɛzəˌstaɪl/; see also meso- comb. form.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, style n.

Etymology: < meso- comb. form + style n.

Chiefly Palaeontology.

A vertical ridge on the buccal side of a mammalian upper molar tooth, between the front and rear cusps.

ΘΚΠ

the world > animals > mammals > [noun] > parts of > (parts of) teeth

heel1833

metacone1888

metaconid1888

metaconule1888

paracone1888

paraconid1888

protocone1888

protoconid1888

protoconule1888

mesostyle1892

talonid1897

1892 H. F. Osborn in Amer. Naturalist 26 437 (table) New terms proposed..Upper Molars... Mesostyle [=] Median External buttress.

1932 Philos. Trans. (Royal Soc.) B. 221 444 There is at least the beginning of a mesostyle in H[yracotherium] leporinum.

1979 Nature 20 Sept. 213/1 Buccal aspects of M¹ and M² display three small styles—parastyle, mesostyle and metastyle.

1992 Jrnl. Paleontol. 66 499 A. inopinata, as in bemalambdids and Harpyodus, does not have a mesostyle on M1-2/ or a strongly V-shaped centrocrista, which are found in all other pantodonts.

This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesostyle
释义	mesostylen. Brit. /ˈmɛsə(ʊ)ˌstʌɪl/, U.S. /ˈmɛzəˌstaɪl/; see also meso- comb. form. Origin: Formed within English, by compounding. Etymons: meso- comb. form, style n. Etymology: < meso- comb. form + style n. Chiefly Palaeontology. A vertical ridge on the buccal side of a mammalian upper molar tooth, between the front and rear cusps. ΘΚΠ the world > animals > mammals > [noun] > parts of > (parts of) teeth heel1833 metacone1888 metaconid1888 metaconule1888 paracone1888 paraconid1888 protocone1888 protoconid1888 protoconule1888 mesostyle1892 talonid1897 1892 H. F. Osborn in Amer. Naturalist 26 437 (table) New terms proposed..Upper Molars... Mesostyle [=] Median External buttress. 1932 Philos. Trans. (Royal Soc.) B. 221 444 There is at least the beginning of a mesostyle in H[yracotherium] leporinum. 1979 Nature 20 Sept. 213/1 Buccal aspects of M¹ and M² display three small styles—parastyle, mesostyle and metastyle. 1992 Jrnl. Paleontol. 66 499 A. inopinata, as in bemalambdids and Harpyodus, does not have a mesostyle on M1-2/ or a strongly V-shaped centrocrista, which are found in all other pantodonts. This is a new entry (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1892
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